Microfluidically Frequency & Polarization Reconfigurable Patch Antennas

Hamza Kiani, David Chatzichristodoulou, Adnan Nadeem, Abdul Quddious, Nosherwan Shoaib, Photos Vryonides, Dimitris E. Anagnostou, Symeon Nikolaou

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Microfluidically frequency reconfigurable and polarization reconfigurable probe-fed patch antennas are presented in this paper. For the frequency reconfigurable antenna, a frequency tuning bandwidth of 14% (4.35-4.5 GHz) can be achieved by continuous loading of liquid metal inside the additively manufactured microfluidic channels on top of patch slots. During the frequency reconfigurability, the bandwidth remains greater than 5%, the gain remains higher than 7.5 dBi and there is polarization consistency over the complete tuning range. For the second antenna, switching between left-hand and right-hand circular polarization is demonstrated by alternatively inserting or removing metallic ink inside 3D printed Polylactic Acid (PLA) channels. For both polarization states stable reflection coefficient with-10 dB S11 bandwidth of 9.6% (4.48-4.93 GHz) and 3-dB axial ratio bandwidth (ARBW) of 5.2% (4.48-4.72 GHz, are achieved.

Original languageEnglish
Title of host publication16th European Conference on Antennas and Propagation (EuCAP 2022)
ISBN (Electronic)9788831299046
Publication statusPublished - 11 May 2022
Event16th European Conference on Antennas and Propagation 2022 - Madrid, Spain
Duration: 27 Mar 20221 Apr 2022


Conference16th European Conference on Antennas and Propagation 2022
Abbreviated titleEuCAP 2022


  • additive manufacturing
  • liquid metal
  • microfluidic
  • reconfigurable

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Radiation


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